PLFM-8873

[xschildw]

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[Copilot]

Pull request overview

This PR migrates the codebase from AWS SDK v1 to AWS SDK v2 for S3 operations. The migration includes updating API calls, removing deprecated transfer manager implementations, and updating dependencies. The storage class enum values are also updated to match SDK v2 conventions (e.g., IntelligentTiering → INTELLIGENT_TIERING).

Changes:

• Migrated all S3 client usage from AmazonS3 (v1) to S3Client (v2) with updated API methods
• Removed S3 transfer manager classes and replaced with native SDK v2 operations
• Updated storage class enum values to SDK v2 naming conventions (uppercase with underscores)

Reviewed changes

Copilot reviewed 35 out of 36 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pom.xml	Removed v1 S3 SDK dependency, added v2 S3 dependency
TemplateGuiceModule.java	Updated provider methods for SDK v2 S3 client, fixed typo in method name
S3BucketBuilderImpl.java	Migrated to SDK v2 S3 APIs, updated all S3 operations including encryption, lifecycle, inventory, notifications
S3BucketClassTransition.java	Changed storage class type from v1 to v2 enum
S3ConfigValidator.java	Updated storage class type, added inline event validation
CloudFormationClientWrapperImpl.java	Migrated S3 operations to SDK v2, fixed typo in javadoc
SecretBuilderImpl.java	Updated S3 upload to use SDK v2 RequestBody
ArtifactCopyImpl.java	Migrated to SDK v2 with HeadObject check and Path-based uploads
BedrockAgentContextProvider.java	Updated S3 putObject to use RequestBody
BedrockGridAgentContextProvider.java	Updated S3 putObject to use RequestBody
MarkDownItLambdaBuilderImpl.java	Updated S3 upload to use Path-based API
SynapseDocsBuilderImpl.java	Replaced transfer manager with SDK v2 copy/delete operations, implemented pagination
DataWarehouseBuilderImpl.java	Updated zip upload to use RequestBody
BackfillDataWarehouseBuilderImpl.java	Updated zip upload with improved error handling
ArtifactDownloadImpl.java	Added stream and bytes download methods
S3TransferManager*.java	Removed deprecated transfer manager classes
s3-buckets-config.json	Updated storage class values to uppercase convention
Test files	Updated all tests to mock SDK v2 S3 APIs

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